A Sparsity-Based Model of Bounded Rationality

I thank David Laibson for a great many enlightening conversations about behavioral economics over the years. For very helpful comments, I thank the editor and the referees, and Andrew Abel, Nick Barberis, Daniel Benjamin, Douglas Bernheim, Andrew Caplin, Pierre-André Chiappori, Vincent Crawford, Stefano DellaVigna, Alex Edmans, Ed Glaeser, Oliver Hart, David Hirshleifer, Harrison Hong, Daniel Kahneman, Paul Klemperer, Botond Kőszegi, Sendhil Mullainathan, Matthew Rabin, Antonio Rangel, Larry Samuelson, Yuliy Sannikov, Thomas Sargent, Josh Schwartzstein, and participants at various seminars and conferences. I am grateful to Jonathan Libgober, Elliot Lipnowski, Farzad Saidi, and Jerome Williams for very good research assistance, and to the NYU CGEB, INET, the NSF (grant SES-1325181) for financial support. The views expressed herein are those of the author and do not necessarily reflect the views of the National Bureau of Economic Research.